Dolphin

Dolphins are sea mammals. They are members of Delphinidae family. They have to breath air or they will die. Dolphins can hold their breath for six minutes. Dolphins have smooth skin. Only baby dolphins was born with a few bristly hair an their snouts.

Their hair soon fall out. They have big tail and the fin on the top of their backs keep the dolphins from rolling over. The famale dolphins have a thick layer of fat under their skin to keep the warm when they dive very deep.

The dolphins in front fins are called flippers. They use them to turn left and right. Dolphins grow from 2 to 3 meters long and weight up to 75 kilograms. Dolphins hunt together in group. A group of dolphins is called a pod. They eat fish,shrimps,and small squids.

They live in salt water ocean. When dolphins scared or see a ship close they go near and follow it from distance, dolphins can leap out of the water and do sumersaults. Sometimes they invent their own tricks after watching other dolphins perform.

The dolphins considered mammals are smart. Dolphins can help human being, when the dolphins have been trained, even the circle of fire they could skip. The dolphins are trained to perform a variety of attractions and they also counting, but wild dolphins haven’t been able to do a variety of attractions. And dolphins are very friendly to people and have never harmed anyone. They are very playful animals. Right now, the dolphins are rare, then the dolphins should be protected. The dolphins have started are protected throughout the world.